Home / 13,772,043.30-20,658,064.95-4,187,406.45

Finding the Fourth Proportional to 13,772,043.30, 20,658,064.95 and 4,187,406.45

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Solution

The fourth proportional to 13,772,043.30, 20,658,064.95 and 4,187,406.45 is: 6,281,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,043.30 : 20,658,064.95 = 4,187,406.45 : x
  2. Step 2: Convert to fraction form
    13,772,043.30/20,658,064.95 = 4,187,406.45/x
  3. Step 3: Cross multiply
    13,772,043.30x = 20,658,064.95 × 4,187,406.45
  4. Step 4: Simplify right side
    13,772,043.30x = 86,503,714,416,148.92
  5. Step 5: Solve for x
    x = 86,503,714,416,148.92/13,772,043.30
  6. Step 6: Final answer
    x = 6,281,109.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.